December weather forecast
Mount Lemmon, AZ

December weather in Mount Lemmon, Arizona, encapsulates the arrival of the year-end winter cycle. With temperatures dropping to their yearly lows, the environment exudes a cozy, holiday spirit. Snowfall plays a major role, accumulating to 11" (279mm) and transforming the landscape into a winter wonderland. January will follow suit with similar frosty weather, while November in contrast, stands significantly warmer with lesser snowfall. Amidst the hush of winter, Mount Lemmon sparkles under the twinkling holiday lights, closing the annual weather cycle with a chill.

Temperature

Mount Lemmon in December undergoes a slight reduction in the average high-temperature, shifting from November's mild 56.3°F (13.5°C) to a cool 50.5°F (10.3°C). Mount Lemmon experiences a consistent, yet significant, drop from daily highs to a low-temperature of 24.3°F (-4.3°C) throughout December.

Rainfall

In Mount Lemmon, in December, it is raining for 5 days, with typically 2.6" (66mm) of accumulated precipitation. In Mount Lemmon, during the entire year, the rain falls for 59 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. Throughout December, in Mount Lemmon, Arizona, 10.98" (279mm) of snow is accumulated. In Mount Lemmon, during the entire year, snow aggregates up to 64.92" (1649mm).

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year.
On the first day of December in Mount Lemmon, sunrise is at 7:07 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:28 pm MST.

Sunshine

January and December, with an average of 7.8h of sunshine, are months with the least sunshine in Mount Lemmon.